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Finding the Fourth Proportional to 64,376.98, 88,840.42 and 35,698.66

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Solution

The fourth proportional to 64,376.98, 88,840.42 and 35,698.66 is: 49,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.98 : 88,840.42 = 35,698.66 : x
  2. Step 2: Convert to fraction form
    64,376.98/88,840.42 = 35,698.66/x
  3. Step 3: Cross multiply
    64,376.98x = 88,840.42 × 35,698.66
  4. Step 4: Simplify right side
    64,376.98x = 3,171,483,830.59
  5. Step 5: Solve for x
    x = 3,171,483,830.59/64,376.98
  6. Step 6: Final answer
    x = 49,264.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.